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a.gov.au
Strategic Assessment Report
Torres Strait Tropical Rock Lobster Fishery
February 2017
Prepared by the Australian Fisheries Management Authority on behalf of the Torres Strait Protected Zone Joint Authority
2
Contents
Contact details .............................................................................................................................. 3
Executive summary .......................................................................................................................... 4
Torres Strait Tropical Rock Lobster Fishery Strategic Assessment Report – February 2017.................... 5
Introduction ................................................................................................................................. 5
Consultation ................................................................................................................................. 5
Description of the fishery ....................................................................................................... 6
1.1 Target/permitted/prohibited species .................................................................................. 7
1.2 Fishing method employed .................................................................................................. 7
1.3 Fishery area ....................................................................................................................... 7
1.4 Allocation between sectors ................................................................................................ 7
1.5 Status of export approval /accreditation under Environment Protection and Biodiversity Conservation Act 1999 .................................................................................................................. 8
Management arrangements .................................................................................................. 8
2.1 Governing legislation .......................................................................................................... 8
2.2 Protected Zone Joint Authority (PZJA) ................................................................................. 8
2.3 Agencies roles and responsibilities ...................................................................................... 9
2.4 Proposed management arrangements for the fishery ........................................................ 10
2.5 Statement of the performance of the fishery against objectives, performance indicators and performance measures ............................................................................................................... 14
2.6 Compliance risks present in the fishery and actions taken to reduce these risks .................. 14
2.7 Description of cross-jurisdictional management arrangements .......................................... 16
2.8 Demonstration of compliance with Threat Abatement Plan’s, recovery plans etc ................ 16
Research and monitoring ..................................................................................................... 16
3.1 Research priorities and funding ........................................................................................ 16
3.2 Fishery independent surveys ............................................................................................ 17
3.3 Catch and effort reporting ................................................................................................ 18
3.4 Total catch of target species ............................................................................................. 18
3.5 Total catch of target species taken by other fisheries ......................................................... 18
3.6 Bycatch and byproduct species ......................................................................................... 19
3.7 Harvest by each sector ..................................................................................................... 19
3.8 Effort data including information on trends ....................................................................... 20
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3.9 Spatial and temporal issues/trends ................................................................................... 22
3.10 Benthic communities ....................................................................................................... 23
Tables
Table 1. Torres Strait Tropical Rock Lobster Fishery management measures. ..................................... 12
Table 2. Total catch and total allowable catch (TAC) of TRL (tonnes in live weight) from 2012-2015. ... 18
Table 3. Number of TRL caught and discarded on TSPF observer voyage OB15/043. .......................... 19
Table 4. Australia (TIB and TVH) and PNG annual catch (tonnes live weight) of Tropical Rock Lobster and Total Allowable Catch for the years 2004 to 2015. ...................................................... 19
Table 5. Annual effort statistics for the TVH sector. .......................... Error! Bookmark not defined.
Table 6. Annual effort statistics for the TIB sector. ........................... Error! Bookmark not defined.
Table 7. Nominal catch per unit effort for TIB and TVH sectors for the years 2004-2015..................... 22
Contact details
Environment Section Torres Strait Tropical Rock Lobster Fishery
Paul Ryan
Manager Environment
AFMA
Phone: (02) 6225 5555
Dean Pease
Senior Management Officer Torres
Strait Fisheries
AFMA
Phone: (07) 4069 1990
Fax: (07) 4069 1277
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Executive summary
The Torres Strait Tropical Rock Lobster Fishery (the Fishery) was strategically assessed in
May 2014 under Parts 10, 13 and 13A of the EPBC Act. Export approval was granted
through declaring the Fishery a Wildlife Trade Operation (WTO) for a period of three years,
valid until 4 May 2017.
This submission has been produced to allow the Department of the Environment to assess
the current management arrangements under the EPBC Act prior to the expiry of the current
WTO approval. A formal management plan for the Fishery is being developed by the
Australian Fisheries Management Authority (AFMA) on behalf of the PZJA, the Plan is due
to be implemented in 2018.
This report describes the current status and nature of the Fishery; the current management
arrangements, the research and monitoring regime of the Fishery and trends of catch and
effort, including spatial and temporal information.
This document has been developed in accordance with AFMAs obligations under the EPBC
Act to declare the Fishery an approved WTO.
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Torres Strait Tropical Rock Lobster Fishery Strategic Assessment Report – February 2017
Introduction
This draft assessment report for the Torres Strait Tropical Rock Lobster Fishery (the Fishery)
The report provides the basis for the strategic assessment of the Fishery consistent with the
requirements of the Environment Protection and Biodiversity Conservation Act 1999 (EPBC
Act).
Consultation
The Protected Zone Joint Authority (PZJA) is responsible for making management decisions
for PZJA fisheries, including the TRL Fishery. The PZJA membership is comprised of the
Commonwealth Assistant Minister for Agriculture, The Queensland Government Minister for
Agriculture, Fisheries and Forestry and the Chair of the Torres Strait Regional Authority.
Further information regarding the PZJA is provided in Section 2.2.
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Description of the fishery
At a glance
Principle species Tropical rock lobster (Panulirus ornatus)
Fishery sectors Transferrable Vessel Holder (TVH)
Traditional Inhabitant Boat (TIB)
Papua New Guinea (PNG) cross-endorsed
No. concessions 2016 TVH: 12 licences, 33 tenders, limited entry
TIB: 291
PNG: 0 (cross-endorsed)
(ABARES Fishery Status Report 2016)
Fishing methods Hookah – diving assisted by surface supply breathing apparatus
Free diving – diving with breath hold only
Lamp fishing – fishing at night with a light and collecting lobster by a handheld spear or net from a boat
Estimated catch and value or 2014/15
Australia TRL catch 303 t (~$A12.2 million)
PNG TRL catch 192 t (value uncertain)
(ABARES Fishery Status Report 2016)
Primary markets Live lobsters and frozen tails – domestic
Frozen tails – United States
Live lobsters – Hong Kong and China
(ABARES fishery status report 2016)
Stock status 2014/15 not overfished
2014/15 not subject to overfishing
(ABARES fishery status report 2016)
Management plan None
In preparation to move from the current predominantly effort based management system to one based on quota a management plan is being developed for the Fishery.
Management method Under the current management system input controls are the primary management tool with restrictions on fishing gear and seasonal closures.
These controls are complemented with a minimum size limit (115 mm tail length or 90 mm carapace length) and traditional landing and recreational bag limits.
Consultative mechanism The PZJA is responsible for making management decisions for the Fishery.
The PZJA has established two consultative forums for the Fishery: the Tropical Rock Lobster Resource Assessment Group (TRLRAG) and the Tropical Rock Lobster Working Group (TRLWG) who provide recommendations to the PZJA.
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1.1 Target/permitted/prohibited species The Tropical Rock Lobster Fishery is based on a single species, the tropical rock lobster
(Panulirus ornatus). Other species of rock lobster (P. versicolour, P. penicillatus and
P. femoristriga and P. polyphagus) have been recorded in the Torres Straits; however
catches of these species are negligible.
Bycatch or by-product species are not encountered/taken due to the selective nature of the
fishery. Other species may be targeted opportunistically by TRL fishers who hold other
fishery endorsements.
1.2 Fishing method employed The TRL Fishery is primarily a dive-based, hand-collection fishery using hookah or by free-
diving, a small quantity of lobster is also taken by lamp fishing. The hookah dive method
typically has one diver working from each fishing vessel (called tenders); tenders are
generally four to six metres in length. Hookah divers work to about 20 metres in depth during
daylight hours. Lamp fishing involves collecting lobsters at night by drifting over shallow
reefs using handheld spears or scoops.
The TVH sector generally uses primary boats in conjunction with smaller fishing tenders and
fish for lobster using hookah. The TVH sector normally undertakes trips to fishing grounds
that last from a few days to several weeks.
The TIB sector typically uses smaller fishing tenders only with trips lasting for one or two
days. However, recently an increasing number of TIB sector operators have started using
larger primary boats in conjunction with fishing tenders and hookah dive equipment. Some
TIB operators’ lamp fish the shallow reefs at night.
1.3 Fishery area
See the map detailing the area of the fishery (Attachment A), available from:
http://pzja.gov.au/wp-content/uploads/2011/05/lobster_map.gif.
Majority of the Tropical Rock Lobster is taken from the western and central zones of the
fishery (Section 3.9).
1.4 Allocation between sectors
Catch sharing arrangements between Australia and PNG are defined under the under the
Treaty between Australia and the Independent State of Papua New Guinea concerning
Sovereignty and Maritime Boundaries in the area between the two Countries, including the
area known as the Torres Strait, and Related Matters (the Treaty), for further information on
the Torres Strait Treaty see Section 2.1.
Under the Treaty PNG cross-endorsed vessels are entitled to take 25 per cent of the TAC
within the Australian area of jurisdiction and Australia is entitled to take 75 per cent of the
TAC. The Australian TAC is notional and not used to control harvest of the TIB and TVH
sectors, currently the level of catch is controlled by input controls. The proposed
management plan will allocate quota units to TIB and TVH sectors and will be used to control
harvest.
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1.5 Status of export approval /accreditation under Environment Protection and Biodiversity Conservation Act 1999
The Fishery was granted export approval/accreditation under the EPBC Act on 7 May 2014
for a period of three years and is valid until 4 May 2017. The declaration of the harvest
operations of the Torres Strait Tropical Rock Lobster Fishery as an approved wildlife trade
operation (WTO) stipulates three additional provisions (Attachment B).
Management arrangements
2.1 Governing legislation
The Torres Strait Treaty establishes the Torres Strait Protected Zone (TSPZ) and aims to
protect the traditional way of life and livelihood of the traditional inhabitants of the Torres
Strait and adjacent coastal areas of the two countries. Australia and Papua New Guinea are
obligated to cooperate in the conservation, management and utilisation of the Protected
Zone fisheries and both countries have sovereign rights within the Protected Zone.
Management of Protected Zone fisheries in the Australian area of jurisdiction is subject to
the Torres Strait Fisheries Act 1984. The purpose of the Act is to give effect, in Australian
law, to the fisheries elements of the Torres Strait Treaty.
The Act also establishes the PZJA (Section 2.2) and a PZJA policy decision outlines which
agencies are able to administer the day to day functions of the PZJA (Section 2.3).
In addition to the above Act, Protected Zone fisheries are subject to assessment under three
parts of the EPBC Act for fisheries where:
a formal management plan or regime is to be determined (part 10);
there are interactions with listed threatened species and ecological communities (part 13); and
fisheries product is to be exported (part 13A).
2.2 Protected Zone Joint Authority (PZJA)
The PZJA members comprise the Commonwealth and Queensland Ministers responsible
for fisheries, and the Chair of the Torres Strait Regional Authority. The Australian
Government Minister is the Chair of the PZJA.
To assist in the management of the PZJA fisheries, the PZJA has established advisory
bodies comprising a wide range of stakeholders and fishery experts, including:
industry (traditional inhabitant and non-traditional inhabitant);
Australian and Queensland government officials; and
other technical experts.
The PZJA is advised by several forums on issues associated with the Fishery; these are the
PZJA Standing Committee (Section 2.3), the Torres Strait Scientific Advisory Committee
(TSSAC), Tropical Rock Lobster Fishery Working Group (TRLWG), and the Tropical Rock
Lobster Fishery Resource Assessment Group (TRLRAG).
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The PZJA Standing Committee
The PZJA Standing Committee consists of senior representatives from the PZJA member
agencies. Its function is to provide strategic and operational recommendations to the PZJA
on the management of the fisheries in accordance with the PZJA’s statutory obligations and
to oversee the implementation of the PZJA’s agreed policy commitments.
The Torres Strait Scientific Advisory Committee
The TSSACs main role is to advise on the strategic direction, priorities and funding for
research undertaken by AFMA across all PZJA fisheries in the Protected Zone. This advice
gives consideration to meeting research gaps in line with the objectives of the Torres Strait
Fisheries Act 1984.
Tropical Rock Lobster Working Group
The TRLWG provides recommendations to PZJA forums on fishery specific issues, including
input to research gaps, operational issues and compliance issues. The TRLWG is comprised
of members and observers from industry, AFMA, QDAF, TSRA, fishery scientists. Observers
to the TRLWG are Malu Lamar registered native title body corporate (RNTBC), PNG
National Fisheries Authority (NFA) and industry members (TIB, TVH and PNG). The TRLWG
enables greater participation from industry members (traditional inhabitant and
non-traditional inhabitant) in the consultative process.
The Tropical Rock Lobster Resource Assessment Group
The TRLRAG provides advice on stock assessment related matters that address biological,
economic and social/cultural factors affecting the Fishery. These matters include; the status
of fish stocks, sub-stocks, species (target and non-target species) and the impact of fishing
on the marine environment. Members of the TRLRAG include research members, industry
members, AFMA, QDAF and TSRA. Observers to the TRLRAG are Malu Lamar RNTBC,
industry members, PNG NFA and industry members (TIB, TVH and PNG).
2.3 Agencies roles and responsibilities
The PZJA Standing Committee is comprised of AFMA, QDAF, TSRA and the Australian
Government Department of Agriculture and Water Resources.
Australian Fisheries Management Authority
AFMA undertakes fisheries management and licencing functions in consultation with the
other agencies and maintains an office on Thursday Island. AFMA is responsible for
developing fisheries management arrangements such as management plans and provides
support and secretariat services for the PZJA, TSSAC, the TRLRAG and the TRLWG. AFMA
is also responsible for foreign compliance in Commonwealth waters.
Queensland Department of Agriculture and Fisheries
Fisheries Queensland is the delegate for Torres Strait domestic compliance. They also
provide fisheries management and licencing advice on day-to-day operational issues at an
officer level and through the Standing Committee.
The Torres Strait Regional Authority
The TSRA provide input to fisheries management decisions and represent the interests of
Traditional Inhabitants in fisheries management.
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The TSRA have also taken the lead on the development of community management plans
for Turtle and Dugong. Additionally, Turtle and Dugong are detailed as a fishery under the
Torres Strait Fisheries Act 1984 meaning that current legislation regarding sustainability is
administered by AFMA.
The Commonwealth Department of Agriculture and Water Resources
The Commonwealth Department of Agriculture continues to work closely with AFMA in
assisting with legislative reform and policy advice.
2.4 Proposed management arrangements for the fishery Current arrangements
The Fishery is managed by a range of input controls such as size limits and gear restrictions
and output controls such as minimum size limits. These management measures exist in the
form of management notices and licence conditions (Table 1).
A recommended biological catch (the maximum amount of TRL that should be taken in a
season) and a notional total allowable catch are set each year. The notional TAC is used
to measure the stock status and for catch sharing arrangements with PNG, it is not used to
control harvest in the Fishery.
Vessel monitoring system will be mandatory on all commercially licenced primary and
carrier vessels operating under the Torres Strait Fisheries Act 1984 by 1 July 2017. The
introduction of VMS will improve monitoring, control and surveillance of licenced fishing
vessels in the Torres Strait.
Proposed arrangements
AFMA is working with the PZJA to develop a mandatory fish receiver system for all Torres
Strait Fisheries to replace the voluntary Torres Strait Seafood Buyers and Processors
Docket Book (TDB01). Currently the TDB01 provides the principle source of catch and
effort information for the TIB sector, however because it is voluntary some TIB catch is
unaccounted each year.
Under the proposed fish receiver system licenced fish receivers will be required to report
the catch and fishing effort information for both TIB and TVH fishers. The system will
improve reporting of catch and effort data for the TIB sector and further reduce uncertainty
in the stock assessment. The fish receiver system will be used to reconcile catch against
quota and improve monitoring, control and surveillance supporting the proposed quota
management system.
A plan of management is being developed for the Fishery to transition the management
arrangements to output controls through the allocation of TRL quota units to the TIB and
TVH sectors. Output controls regulate the fishing activity by restricting the amount of fish
that can be landed. The Plan pursuant to section 15A of the Torres Strait Fisheries Act
1984 will:
determine a total allowable catch (TAC) (a measure of fishing capacity (s15A(4))
each fishing season for tropical rock lobster (Panulirus spp.);
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allocate units (division and allocation of fishing capacity (s15A(6)) to eligible
persons and/or entities. Each unit (known as quota units) will entitle the holder to an
equal share of the TAC; and
allow for the trading (selling and leasing) of quota units (s15A(6)).
The total allowable catch (TAC) will be determined by the PZJA in line with requirements
of the TRL Harvest Strategy and following advice from the TRLRAG and TRLWG.
12
Table 1. Torres Strait Tropical Rock Lobster Fishery management measures.
Management measures Traditional Inhabitant
Sector (TIB)
Non-Indigenous
Sector (TVH)
What instrument is used to impose the measure
Will the arrangement
continue immediately after the Management
Plan (MP)*
Will the arrangement be in the MP1.
Requirement to hold a licence Yes Yes Torres Strait Fisheries Act 1984 and Community Fishing Notice 1.
Yes MP
Tender/dinghy number restrictions No2 Yes (maximum 7)
TVH sector: result of limited entry policy.
Yes No, other instrument.
Catch reporting No Yes Licence conditions Yes No, other instrument.
Moon-tide hookah closures Yes Yes Licence conditions Yes No, other instrument.
Fishery closure (1 Oct – 30 Nov) Yes Yes Torres Strait Fisheries Management Instrument No.9
Yes, to be reviewed. No, other instrument.
Hookah closure (1 Dec – 31 Jan) Yes Yes Torres Strait Fisheries Management Instrument No.9
Yes, to be reviewed. No, other instrument.
Size restrictions, minimum tail size of 115 mm or minimum carapace length of 90 mm.
Yes Yes Torres Strait Fisheries Management Instrument No.9
Yes No, other instrument.
Prohibition on using SCUBA or any kind of equipment used for breathing underwater other than hookah gear.
Yes Yes Torres Strait Fisheries Management Instrument No.9
Yes No, other instrument.
*Note: All management arrangements are subject to periodic review.
1 Details will be set out in other instruments or licence conditions. 2 Policy removed in 2014. Tender numbers are now constrained by vessel survey standards
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Management measures Traditional Inhabitant
Sector (TIB)
Non-Indigenous
Sector (TVH)
What instrument is used to impose the
measure
Will the arrangement
continue immediately after the Management
Plan (MP)*
Will the arrangement be in the MP or operational detail be in the actual MP
Collection by hand, spear, scoop net only. Yes Yes Torres Strait Fisheries Management Instrument No.9
Yes No, other instrument.
Prohibition on carrying meat removed from lobster.
Yes Yes Torres Strait Fisheries Management Instrument No.9
Yes No, other instrument.
Prohibition on carrying diving equipment at night.
Yes Yes Torres Strait Fisheries Management Instrument No.9
Yes No, other instrument.
A Master Fisherman’s licence must be held by person in charge of the boat.
Yes Yes Policy Yes MP
A processor/carrier licence is required to carry or process TRL at sea.
Yes Yes Torres Strait Fisheries Management Instrument No.9
Yes MP
A bag limit of three lobsters per person or six lobsters per boat applies to traditional fishing (Islander or visiting PNG Traditional Inhabitants) and recreational fishing.
Yes Yes Torres Strait Fisheries Management Instrument No.9
Yes No, other instrument
Boat length restrictions and boat replacement policy3
Yes (maximum 20m)
Yes (maximum 18m)
Licence conditions and Fisheries Management Notice No.47 (maximum 20m)
Yes No, other instrument
3 • boats up to six metres may be replaced by another boat up to six metres; • boats greater than six metres and less than or equal to ten metres may be replaced by a boat up to and including 10 metres; • boats greater than ten metres and less than or equal to 14 metres may be replaced by a boat up to and including 14 metres; and • boats greater than 14 metres may be replaced by another boat of equal length. The maximum size for fishing boats is 20 metres.
14
2.5 Statement of the performance of the fishery against objectives, performance indicators and performance measures
A statement of the performance of the TRL Fishery against its objectives, performance
indicators and performance measures is made annually in PZJA’s annual report. A copy of
the current statement can be found on the PZJA website.
2.6 Compliance risks present in the fishery and actions taken to reduce these risks
Queensland Boating and Fisheries Patrol (QBFP) carries out the domestic compliance
programs for the Torres Strait under an agreement between the Commonwealth of Australia
and the State of Queensland relating to the cost of management of fisheries in the Australian
area of jurisdiction.
AFMA is responsible for the foreign compliance program for the Torres Strait and it liaises
closely with PNG National Fisheries Authority (NFA) and Australian Border Force - Maritime
Border Command.
QBFP compliance regime
During 2014/15 Queensland Boating and Fisheries Patrol (QBFP) had four matters involving
the Torres Strait Tropical Rock Lobster Fishery referred to the Commonwealth Director of
Public Prosecutions. Decisions on these matters are still pending; they involve offences
including: unlicensed fishing, breaches of licence conditions and commercial sale of no take
species.
AFMA compliance regime
AFMA and (QBFP) undertake an annual compliance risk assessment process for the Torres
Strait. The 2015 compliance risk assessment process identified six moderate to high level
risks within the area of the Torres Strait. Three identified risks are of direct relevance to the
Torres Strait Tropical Rock Lobster Fishery.
The breaching of trip, gear, size and jurisdictional limits:
breach of gear restrictions, in particular the use of surface supply breathing apparatus
(hookah) and seasonal closures.
breach of possession limits, size limits and fishing during seasonal closures.
The occurrence unauthorized fishing:
unlicensed domestic (non-traditional and traditional) operators and unlicensed PNG
nationals.
The occurrence of logbook misreporting:
failure to accurately complete logbooks (TVH sector only).
failure to submit logbooks within the required timeframe (TVH sector only).
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At the 2014 and 2015 bilateral meetings between AFMA and PNG, officials discussed the
options currently in place for enhancing the foreign compliance regime in the Torres Strait,
including:
PNG Treaty Awareness Program and Treaty Village Identification Scheme
Australian and PNG government agencies conduct visits to the 13 PNG Torres Strait Treaty
Villages, situated along the Southern Coastline of Western Province, PNG, as a part of the
Department of Foreign Affairs (DFAT) led Treaty Awareness Program.
The Treaty Awareness Program is designed to educate and advise members of the Treaty
villages on their rights and responsibilities under the Torres Strait Treaty between Australia
and Papua New Guinea. The visits involve agencies responsible for fisheries, immigration,
biosecurity, maritime safety and health. AFMA officers discuss traditional fishing rights under
the Torres Strait Treaty, Australian fisheries law and the ramifications of not adhering to
fisheries legislation. AFMA has also implemented the Traditional Vessel Identification
Scheme as part of these treaty awareness visits. Identified treaty village vessels are marked
with unique identification labels which assist the Australian Border Force and AFMA in
monitoring the movements of fishing vessels under the Treaty arrangements. Approximately
90 per cent of all vessels (152 boats) in the area have Treaty Village Identification labels.
Only one labelled treaty village boat has been apprehended for illegal fishing since
implementation of this scheme in 2012.
Joint Patrols and activities
During the 2014/2015 year AFMA and PNG National Fisheries Authority (NFA) coordinated
respective patrol boat movements on both sides of the TSPZ during two operations.
Suspected illegal fishing activity decreased noticeably during these periods. One PNG NFA
officer also joined AFMA and Royal Australian Navy (RAN) officers for a targeted operation
against illegal TRL fishing on Warrior Reef.
PNG NFA and police officers based in Daru have conducted a series of at sea transfers of
apprehended PNG nationals from Australian patrol boats this year. These transfers provide
for repatriation and subsequent processing and prosecution of the offenders under PNG
legislation and in keeping with the spirit of the Torres Strait Treaty.
Monitoring, Control and Surveillance
The foreign compliance regime in the Torres Strait is conducted by Australian Border
Force - Maritime Border Command working closely with the AFMA Foreign Compliance
Operations sector and fishery stakeholders to detect, intercept and disrupt illegal maritime
activity.
From October 2013 – January 2016 a total of 27 foreign fishing vessels with PNG origin
have been apprehended or otherwise subject to enforcement action within the TSPZ. Of
these apprehended vessels 15 resulted in forfeiture of vessels and related fishing gear,
including a total number of 247kgs of whole TRL and 50kgs of tailed TRL.
Maritime Border Command has a dedicated Operations Centre which coordinates the civil
maritime surveillance program, identifying incursions into Australia’s Exclusive Economic
Zone (EEZ) and the TSPZ. The intelligence-led, risk-based intervention approach is drawn
upon to plan, prioritise and coordinate operations to counter maritime security threats.
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AFMA carries out a role as an ongoing patrol presence in response to compliance risks
associated with the region. Periods of identified heightened risk through ongoing methods
of surveillance may lead to the request of additional assets and patrols for certain areas.
Border Force assets include Bay Class and Cape Class patrol vessels, contracted fixed wing
and rotary aircraft including; Dash-8 and Rheims surveillance aircraft, AS350 Squirrel and
Bell 412 rotary aircraft. Defence-assigned assets include Royal Australian Air Force AP-3
Orion maritime patrol aircraft and Royal Australian Navy patrol boats. Maritime Border
Command also utilises commercial satellite imagery to conduct surveillance of remote areas
of our ocean.
The goal is to maintain a secure and safe maritime operating environment for industry
participants to be able to conduct their business. The AFMA Foreign Compliance Operations
Section in the Torres Strait engages with industry to improve on water awareness,
prevention, preparedness and response to potential incidents.
2.7 Description of cross-jurisdictional management arrangements Australia and PNG entered into the Treaty on 15 February 1985. The Treaty requires
Australia and PNG to cooperate in the conservation, management and optimum utilisation
of all Article 23 commercial fisheries in the TSPZ. It also allows for catch sharing
arrangements between the two countries which are negotiated annually at the fisheries
bilateral meeting (Section 1.4).
2.8 Demonstration of compliance with Threat Abatement Plan’s, recovery plans etc
As the fishery is a highly selective single species fishery (Section 1.1) and no bycatch is
taken, there are no threat abatement plans, recovery plans or bycatch reduction strategies
applicable to the fishery.
Research and monitoring
3.1 Research priorities and funding Research proposals are considered by a number of consultative forums; these forums
evaluate the research proposals and advise AFMA on research priorities and funding. The
consultative process for research proposals is described below:
AFMA sends a call for pre-proposals for fisheries research in the Torres Strait region. The
call for research details priority projects (identified by the TSSAC). Applicants may also
submit pre-proposals for projects not identified as priority work.
All pre-proposals are considered by the TRLRAG and the TRLWG, these forums will advise
on the preferred research projects based the fishery priorities. The TRLRAG and TRLWG
meeting records, including any recommendations, will be provided to the TSSAC for
consideration.
The TSSAC will evaluate pre-proposals based on the specific criteria detailed in the annual
operational plan. A strong emphasis is placed on the ability of research proposals and
principal investigators to engage Torres Strait Islanders in the research process in
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meaningful and culturally appropriate ways. The TSSAC will also consider
recommendations from the TRLRAG and TRLWG.
Researchers are notified of the TSSACs evaluation of proposals. Individual applicants are
then invited to prepare a full (detailed) proposal based on evaluation of the pre-proposals.
Full proposals are considered and if accepted endorsed by the TRLRAG, TRLWG and
TSSAC.
3.2 Fishery independent surveys
Annual fishery-independent monitoring of the Torres Strait TRL population has been carried
out since 1989. Dive surveys are conducted mid-year (June) and additionally pre-season
(November) for the years 2005-2008 and 2015, provide information on the relative
abundance of recruiting and fished lobsters. The most recent information on the monitoring
program and the Fishery stock assessment is provided annually in the ‘Torres Strait Tropical
Rock Lobster Fishery Survey and Stock Assessment, Research Project RR2013/803, Final
Report - Draft’ produced by CSIRO Attachment C.
There have been several changes to the sampling method since 1989, however abundance
data has been standardised for the duration of the monitoring program. A total of 140 (full-
scale) or 74 (reduced-scale) sites are allocated to the established sampling strata. Measured
belt transects (500 m by 4 m) comprise the primary sampling unit. At the completion of each
transect a diver records; the number of lobsters caught (and measured), the number and
age-class of those observed but not caught, depth, visibility, distance swum, numbers of
pearl shell (Pinctada maxima) and holothurian species observed, percent covers of standard
substratum and biota (including seagrass and algae species) categories.
Pre-season population surveys inform the abundance recruiting lobster; these surveys were
identified by the TRLRAG as critical to support the move of the TRL Fishery to quota
management, first proposed by the PZJA in 2005. As a result pre-season surveys were
conducted in 2005-2008 and 2015, in addition to mid-year surveys, to provide managers
with information on the abundance and biomass of recruiting TRL and the likely stock
biomass available to be fished each season. This information underpins the outputs of the
stock assessment model which has been developed to assess the fishery status and to
forecast the recommended biological catch of TRL for each fishing season. The reduced
scale (77 sites) pre-season surveys are considered to be representative for the Fishery.
There is a strong correlation (R=0.97) between the index of abundance for 1+ TRL from the
mid-season and pre-season survey.
A stock assessment is completed for the Fishery annually to provide a recommended
biological catch (RBC) for the shared fishery (Australia and PNG). The stock assessment
model is informed by historic catch per unit effort (CPUE) information for the TIB sector
(years 2004-2015) and for the TVH sector (years 1994-2015), catch information from PNG
and results of the fishery independent survey. The CPUE information provides data on the
abundance of fished lobsters and informs model predictions of the spawning biomass; this
is a fundamental parameter to forecast the RBC. The model also incorporates the southern
oscillation index (strength of El Nino or La Nina events) into the RBC calculation.
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3.3 Catch and effort reporting Mandatory catch and effort reporting requirements are in place for the TVH sector. Catch
and effort data for the TVH sector is recorded in the Tropical Rock Lobster Logbook (TRL04),
an example of the TRL04 logbook page is provided at Attachment D. For each vessel day
there can be multiple shots (up to four) with each shot consisting of up to eight tenders. Each
tender has a catch record by dive method (hookah, freedive or unknown) and by processed
form (whole, tailed or unknown). Currently reporting of catch and effort data is not
compulsory for the TIB sector due to legislative limitations.
In January 2004, AFMA introduced the Torres Strait Seafood Buyers and Processors
docket-book (TDB01) to commercial and community freezer operators to collect data on
Torres Strait Islander catch. Unlike the TRL04 logbook, which requires catch and effort data
to be recorded for individual fishing operations related to each vessel tender, the docket-
book requires only aggregate catch and effort data to be recorded at the end of each trip.
The use of the TDB01 docket-book is voluntary. An example of the TDB01 docket book page
is available at Attachment E. Currently there is no observer program for the Torres Strait
Tropical Rock Lobster Fishery. Traditional and recreational catch is considered to be
negligible (a bag limit of 3 per person and 6 per boat applies to traditional and recreational
fishing east of Cape York Peninsula) and constant over time, it is not incorporated into the
fishery stock assessment.
A mandatory fish receiver system is being developed for all Torres Strait Fisheries to replace
the TDB01 docket-book. The fish receiver system will improve the reporting of catch
information for the TIB sector. Licenced fish receivers will be required to report the landed
catch of TRL and fishing effort information for both TIB and TVH fishers. The fish receiver
system will be used to reconcile catch against quota and improve monitoring, control and
surveillance supporting the proposed quota management system.
3.4 Total catch of target species
The total reported global catches (Australia and PNG) of TRL and the global total allowable
catch for the years 2012 to 2015 is provided in Table 2.
Table 2. Global reported catch and total allowable catch of TRL (tonnes in live weight) from 2012-2016.
Year Australia Catch
(tonnes) PNG Catch
(tonnes) Total Allowable Catch (tonnes)
2012 521 174 964
2013 489 108 871
2014 405 261 616
2015 326.6 235.7 869
2016 444.7 127.1 796
3.5 Total catch of target species taken by other fisheries The Torres Strait Prawn Fishery (TSPF) has historically interacted with TRL. Licensing
conditions limit TSPF operators to retain 20 kg of TRL per trip if caught in trawl nets and all
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TRL catches must be reported. PNG have reported catches of TRL in demersal trawl
fisheries targeting prawns. The combined quantity of TRL reported taken in PNG fisheries
(dive and trawl caught) is provided in Table 2.
An AFMA independent fishery observer was on-board two TSPF vessel trips during 2015,
observing a total of 54 fishing days and a total of 203 shots. The number of Tropical Rock
Lobster observed during this period is provided in Table 3.
Table 3. Number of TRL caught and discarded on TSPF observer voyage OB15/043.
Species Common name
Number caught
Discarded
alive
Discarded dead
Per cent discarded dead
Panulirus ornatus
Tropical Rock Lobster
628 613 15 2.5
3.6 Bycatch and byproduct species
The fishery is a highly selective single species fishery as a result of the hand collection
fishing method (Section 1.2). There is no bycatch or byproduct species reported in the
fishery. However, operators with other fishery endorsements may harvest those species
opportunistically while targeting TRL.
3.7 Harvest by each sector
The total catch of Tropical Rock Lobster (tonnes in live weight) for the Australian sectors
(TIB and TVH) and PNG for the years 2004-2015 is provided at Table 4. The number of TIB
sector docket-book records decreased significantly after 2012. This is due to the fact that
43% of the catch in 2013 was not recorded in the docket-book but instead was attributed to
two aggregate catch records added to the TIB database to account for 40,029 kgs of whole
lobsters and 5,746 kgs of tails received by processors. This occurred again in 2014 and
2015 when two aggregate catch records (representing around 50% of the total catch for both
years) were added to the TIB database to account for catch received by processors but not
recorded in the docket-book. These amounts were an additional 45,312 kgs of whole
lobsters and 7,975 kgs of tails for 2014 and an additional 56,133 kgs of whole lobsters and
7,759 kgs of tails for 2015.
Table 4. Australia (TIB and TVH) and PNG annual catch (tonnes live weight) of Tropical Rock Lobster and Total Allowable Catch for the years 2004 to 2015.
Year TIB TVH PNG Total Catch Total
Allowable Catch
Catch as % of TAC
2004 211 481 192 874 * *
2005 345 545 228 1118 * *
2006 143 135 142 420 471 89
2007 267 269 228 764 842 91
2008 207 100 221 528 751 70
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2009 135 91 161 387 450 86
2010 182 279 293 754 853 88
2011 201 503 165 869 803 108
2012 151 370 174 695 964 72
2013 127 362 108 597 871 69
2014 132 173 261 666 616 108
2015 173.9 152.7 235.7 562.3 769 73
2016 207.1 237.6 127.1 571.8 796 72
*Information not available
3.8 Effort data including information on trends Between 2004 and 2016 there are a total of 35,869 TRL04 records for the TVH sector. The
distribution of these records by year and month are given in Table 5. It is apparent that there
has been little if any effort during October and November before 2006 and since 2006 there
has been zero effort in the months October-to-January.
Effort is recorded as ‘Hours-Fished’ which records the duration of the fishing trip for each
tender-set. The number of hours fished recorded for only 31,171 (93.8%) of the 33,235
records. A total of 30,831 records (92.8% of all tender-sets) recorded effort between 0.5 and
12 hours. There were 20 records where the recorded hours fished was greater than 12
hours, two records where effort was less than 0.5 hours and 315 records where effort was
recorded as 24 hours (1.2% of records). Effort in the TVH sector declined between 2006
and 2009 as a result of the removal of licences in the fishery through the voluntary buyback
process. Effort increased in 2010, and has been relatively constant from 2010-2015.
Table 5. Number of TVH catch records by year and month.
Year JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC
2004 24 607 712 571 662 761 729 633 395 106
2005 13 662 615 543 519 538 552 533 323 4
2006 409 436 361 286 206 349 289 92
2007 288 427 446 542 489 402 184 91
2008 133 222 113 161 96 159 175 152
2009 148 227 174 201 200 125 163 70
2010 255 333 302 324 292 309 294 253 6
2011 286 384 371 322 380 356 310 261
2012 166 344 371 311 366 318 264 201
2013 461 383 414 424 324 374 385 243
2014 357 395 297 433 408 445 274 291 1
2015 419 408 441 355 313 250 346 127
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2016 12 500 444 315 379 334 313 183 124
TOTAL 49 4691 5330 4719 4919 4707 4681 4033 2623 0 7 110
Between 2004 and 2016 there are a total of 72,930 TDB01 docket-book records for the TIB
sector. The structure of the docket-book indicates that there should be a unique record for
each vessel, date and seller-name. However, there are often multiple records where for the
same vessel, date and seller name there are multiple unique records where the number of
days fished is different. The annual listing of the number of TIB docket-book seller records
and number of days fished is provided in Table 6.
Table 6. Annual listing of the number of TIB seller records against the number of days fished.
Days-Fish
04 05 06 07 08 09 10 11 12 13 14 15
0 688 407 336 345 165 89 110 217 240 411 223 118
1 3000 4752 2926 4652 3859 2716 2184 2303 650 39 1170 868
2 354 398 257 376 311 260 67 82 195 99 124 142
3 129 183 138 123 116 131 77 60 110 77 56 88
4 87 89 60 45 35 64 19 44 41 2 17 43
5 55 97 50 61 37 52 3 32 25 1 6 34
6 12 38 3 5 8 13 2 22 36 0 1 8
7 12 24 15 5 9 17 2 11 16 0 4 4
8 10 10 6 8 4 5 4 5 10 0 2 7
9 11 5 1 2 0 0 0 3 5 0 1 5
10 2 5 2 2 1 7 0 8 2 0 0 0
11 3 0 0 0 3 5 0 1 7 0 0 0
12 0 5 0 1 0 2 0 0 0 0 0 0
13 4 1 1 2 0 0 0 0 0 0 0 0
14 2 1 1 1 0 0 0 1 0 0 0 0
15 0 0 0 1 0 1 0 0 0 0 0 0
16 0 0 3 0 0 0 0 0 0 0 0 0
TOT 4369 6015 3799 5629 4548 3362 2468 2789 1337 629 1604 1317
The nominal catch per unit effort (CPUE) (total catch/total effort) for the TVH and TIB sectors
is provided in Table 7. The nominal CPUE for TIB and TVH sectors is variable; this is
consistent with the high natural variability of the Torres Strait Tropical Rock Lobster and may
also be attributed to changes to management arrangements and changes to the fishing fleet
through time.
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Table 7. Nominal catch per unit effort for TIB and TVH sectors for the years 2004-2015.
Year Nominal CPUE
TIB sector Nominal CPUE TVH
sector
2004 0.98 1.08
2005 1.17 1.47
2006 0.80 0.67
2007 0.96 1.07
2008 0.95 0.86
2009 0.83 0.61
2010 1.02 1.22
2011 1.40 2.08
2012 1.38 1.62
2013 * 1.26
2014 0.76 1.02
2015 0.73 0.61
2016 1.04 1.10
*Data not available
3.9 Spatial and temporal issues/trends
The spatial distribution of TRL is reported by the TIB sector using the 21 zones identified in
the TDB01 docket-book. Since 2004, the western zones of the TSPZ (Thursday Island
Bridge, Mabuiag and Badu strata) have accounted for approximately 65 per cent of the TIB
sectors catch. The eastern zones (Warrior and Warraber strata) have accounted for
approximately nine and eight per cent of the TIB sectors catch respectively.
The spatial distribution of TRL is reported by the TVH sector using modified docket book
zones. Since 1994, the central zones (Kircaldie and Warraber strata) have accounted for
approximately 65 per cent of the TVH sectors catch. The northern zones (Buru and Numar
strata) have accounted for approximately 20 per cent of the TVH sectors catch.
Stock assessment surveys conducted by CSIRO reported that there were no significant
trends or correlation between spatial information and lobster density. Lobster density was
reported to be ‘loosely’ correlated with seagrass habitat. However, seagrass coverage is
highest in the Thursday Island Bridge and Mabuiag strata and the correlations between
seagrass coverage and lobster density were poor.
Tagging studies of Torres Strait Tropical Rock Lobster has shown that during the months of
August to October each year most 2+ lobsters (at least two years old) emigrate from the
western and central Torres Strait and move north-east into the Gulf of Papua, undergoing
reproductive development at the same time. Lobsters arriving in Papuan waters are in very
poor condition and almost all lobsters die after breeding. Annual variability observed in
Tropical Rock Lobster distribution is influenced by environmental conditions such as strong
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trade winds, food availability and high turbidity. These factors may also result in spatial and
temporal changes to fishing operations.
3.10 Benthic communities
The benthic habitat of the Torres Strait was surveyed in May-June 1989, using almost 600
transects randomly dispersed over an area of approximately 25 000 km2 (Pitcher et al.
1992). The distribution and relative abundance of seagrasses tended to increase from
almost zero abundance in the southern and eastern areas of the survey to moderately dense
in north-western Torres Strait. The substratum type also varied greatly, with the greatest
diversity and abundance of biota associated with the harder substrata. The ongoing TRL
monitoring program (Section 3.1) has shown that seagrass coverage may change overtime,
while substrate (sand, rubble, hard cover) has been consistent through the monitoring period
(CSIRO unpublished data).